Retainers usually cap your agency margins at 30 percent. Use your shop as a lab...

https://wool-wiki.win/index.php/How_to_Measure_the_ROI_of_Automating_Client_Reporting

Retainers usually cap your agency margins at 30 percent. Use your shop as a lab to package your manual workflows into simple software, which consistently hits 70 percent margins and gives you a real asset.